<!DOCTYPE html>
<html lang="zh" xmlns="http://www.w3.org/1999/xhtml"
      xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<th:block th:fragment="md">
    <link rel="stylesheet" th:href="@{/lib/editor.md/css/editormd.min.css}"/>
</th:block>

<th:block th:fragment="semantic">
    <link href="http://cdn.bootcdn.net/ajax/libs/semantic-ui/2.4.1/semantic.css" rel="stylesheet">
</th:block>

</body>
</html>